| public Open ( CaptureDevice device ) : void | ||
| device | CaptureDevice | Device type |
| Результат | void | |
public void Run()
{
var capture = new VideoCapture();
capture.Set(CaptureProperty.FrameWidth, 640);
capture.Set(CaptureProperty.FrameHeight, 480);
capture.Open(-1);
if (!capture.IsOpened())
throw new Exception("capture initialization failed");
var fs = FrameSource.CreateCameraSource(-1);
var sr = SuperResolution.CreateBTVL1();
sr.SetInput(fs);
using (var normalWindow = new Window("normal"))
using (var srWindow = new Window("super resolution"))
{
var normalFrame = new Mat();
var srFrame = new Mat();
while (true)
{
capture.Read(normalFrame);
sr.NextFrame(srFrame);
if (normalFrame.Empty() || srFrame.Empty())
break;
normalWindow.ShowImage(normalFrame);
srWindow.ShowImage(srFrame);
Cv2.WaitKey(100);
}
}
}
static void Main(string[] args)
{
//size of tag is in meters and camera parameters are obtained from calibration
float tag_size = 0.1F;
float fx = 1200F;
float fy = 1400F;
double px = 817.143;
double py = 387.159;
//array of floats to carry values of image points (x and y * 4 points)
float[] ptsry = new float[8];
//initialize video capture from camera
var capt = new OpenCvSharp.VideoCapture();
capt.Open(0);
//window for displaying video
Window window = new Window("capture");
//main task; display video and find tags
using (Mat frame = new Mat())
{
//looping untill key is pressed
while (true)
{
//read from camera and show it
capt.Read(frame);
window.ShowImage(frame);
//detect tags and find how many and print the number
Apriltag ap = new Apriltag("canny", true, "tag16h5");
var current_tags = ap.detect(frame);
Console.WriteLine("Number of tags = " + current_tags.Count);
Console.WriteLine();
//sleep for 10 msec
System.Threading.Thread.Sleep(10);
//if a key is pressed, close the window and exit
if (Cv2.WaitKey(1) >= 0)
{
capt.Release();
Cv2.DestroyAllWindows();
break;
}
}
}
}
private async Task CaptureCamera(CancellationToken token)
{
if (capture == null)
{
capture = new cv.VideoCapture(0, cv.VideoCaptureAPIs.ANY);
}
capture.Open(0);
if (capture.IsOpened())
{
try
{
while (!token.IsCancellationRequested)
{
using MemoryStream memoryStream = capture.RetrieveMat().ToMemoryStream();
await Application.Current.Dispatcher.InvokeAsync(() =>
{
try
{
var imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CacheOption = BitmapCacheOption.OnLoad;
imageSource.StreamSource = memoryStream;
imageSource.EndInit();
img_WebCam.Source = imageSource;
}catch (Exception e)
{
}
});
bitmapImage = new Bitmap(memoryStream);
//await ParseWebCamFrame(bitmapImage, token);
}
capture.Release();
}
catch (Exception e)
{
}
}
}
private async Task CaptureCamera(CancellationToken token)
{
if (capture == null)
{
capture = new OpenCvSharp.VideoCapture(CaptureDevice.DShow);
}
capture.Open(0);
m_capture.Start();
if (capture.IsOpened())
// if(m_capture.IsOpened)
{
while (!token.IsCancellationRequested)
{
using MemoryStream memoryStream = capture.RetrieveMat().Flip(FlipMode.Y).ToMemoryStream();
// using MemoryStream memoryStream = m_capture.QueryFrame()..RetrieveMat().Flip(FlipMode.Y).ToMemoryStream();
await Application.Current.Dispatcher.InvokeAsync(() =>
{
var imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CacheOption = BitmapCacheOption.OnLoad;
imageSource.StreamSource = memoryStream;
imageSource.EndInit();
OpenCVSharpImageSource.Source = imageSource;
});
var bitmapImage = new Bitmap(memoryStream);
await ParseWebCamFrame(bitmapImage, token);
}
capture.Release();
}
}
static void Main(string[] args)
{
//var vc = new OpenCvSharp.VideoCapture("./test/india.mp4");
//var vc = new OpenCvSharp.VideoCapture("./test/Test.mov");
//var vc = new OpenCvSharp.VideoCapture("./test/singleTest.m4v");
//var vc = new OpenCvSharp.VideoCapture("./test/peopleTest.m4v");
var vc = new OpenCvSharp.VideoCapture();
vc.Open(1);
ImageRecognizer imageRecognizer = new ImageRecognizer();
int key = int.MinValue;
using (Window window = new Window("capture"))
{
while (key < 0)
{
vc.Grab();
var mat = vc.RetrieveMat();
if (mat.Empty())
{
return;
}
var faces = imageRecognizer.DetectFaces(mat);
if (faces != null)
{
foreach (var face in faces)
{
var faceCrop = new Mat(mat, face);
faceCrop.SaveImage($"./results/{Guid.NewGuid()}.jpg");
}
}
window.ShowImage(mat);
key = Cv2.WaitKey(10);
}
}
}
static void Main(string[] args)
{
var faceengine = new FaceEngine(ASF_RegisterOrNot.ASF_REGISTER, 2);
//faceengine.OnlineActivation("", "", "");
FaceEngine.OnlineActivationFree("", "");
//faceengine.OfflineActivation();
faceengine.InitEngine(ASF_DetectMode.ASF_DETECT_MODE_IMAGE, ArcSoftFace_OrientPriority.ASF_OP_0_ONLY, 1, ASF_Mask.ASF_FACE_DETECT | ASF_Mask.ASF_FACERECOGNITION | ASF_Mask.ASF_AGE | ASF_Mask.ASF_LIVENESS);
Console.WriteLine(faceengine.Version.BuildDate);
Console.WriteLine(faceengine.Version.CopyRight);
Console.WriteLine(faceengine.Version.Version);
OpenCvSharp.VideoCapture videoCapture = new OpenCvSharp.VideoCapture();
videoCapture.Open(0);
var activeFile = FaceEngine.GetActiveFileInfo();
////Console.WriteLine(FaceEngine.GetActiveDeviceInfo());
Stopwatch stopwatch = new Stopwatch();
stopwatch.Restart();
//faceengine.InitEngine(ASF_DetectMode.ASF_DETECT_MODE_IMAGE, ArcSoftFace_OrientPriority.ASF_OP_ALL_OUT, 9,
// ASF_Mask.ASF_AGE | ASF_Mask.ASF_FACE3DANGLE | ASF_Mask.ASF_FACELANDMARK | ASF_Mask.ASF_FACERECOGNITION | ASF_Mask.ASF_FACESHELTER | ASF_Mask.ASF_FACE_DETECT |
// ASF_Mask.ASF_GENDER | ASF_Mask.ASF_IMAGEQUALITY | ASF_Mask.ASF_IR_LIVENESS | ASF_Mask.ASF_LIVENESS | ASF_Mask.ASF_MASKDETECT | ASF_Mask.ASF_UPDATE_FACEDATA);
//Console.WriteLine($"引擎初始化: {stopwatch.ElapsedMilliseconds}ms");
Mat mat = new Mat();
//Mat mat = new Mat(@"C:\Users\Jch\Desktop\2.jpg");
while (true)
{
stopwatch.Restart();
if (videoCapture.Read(mat))
{
using (var img = mat.ToBitmap())
using (var imgInfo = ImageInfo.ReadBMP(img))
{
Console.WriteLine($"图片处理:{stopwatch.ElapsedMilliseconds}ms");
stopwatch.Restart();
var detectResult = faceengine.DetectFacesEx(imgInfo);
Console.WriteLine($"人脸定位:{stopwatch.ElapsedMilliseconds}ms");
if (detectResult != null)
{
foreach (var item in detectResult.FaceInfos)
{
Console.WriteLine($"Age: {item.Age}");
Console.WriteLine($"FaceID: {item.FaceID}");
Console.WriteLine($"FaceOrient: {item.FaceOrient}");
Console.WriteLine($"FaceShelter: {item.FaceShelter}");
Console.WriteLine($"Gender: {item.Gender}");
Console.WriteLine($"LeftEyeClosed: {item.LeftEyeClosed}");
Console.WriteLine($"Liveness: {item.Liveness}");
Console.WriteLine($"Mask: {item.Mask}");
Console.WriteLine($"RightEyeClosed: {item.RightEyeClosed}");
Console.WriteLine($"WearGlasses: {item.WearGlasses}");
Console.WriteLine($"FaceRect: bottom->{item.FaceRect.bottom} left->{item.FaceRect.left} right->{item.FaceRect.right} top->{item.FaceRect.top}");
Console.WriteLine($"FaceLandmark: x->{item.FaceLandmark.x} y->{item.FaceLandmark.x}");
Console.WriteLine($"Face3DAngle: {item.Face3DAngle.roll} {item.Face3DAngle.yaw} {item.Face3DAngle.pitch} {item.Face3DAngle.status}");
stopwatch.Restart();
var feature = faceengine.FaceFeatureExtractEx(imgInfo, item);
Console.WriteLine($"提取特征值: {stopwatch.ElapsedMilliseconds}ms");
if (feature != null)
{
Console.WriteLine($"feature: {feature.Size}");
}
Console.WriteLine(faceengine.FaceFeatureCompare(feature.ASFFaceFeature, feature.ASFFaceFeature));
var score = faceengine.ImageQualityDetectEx(imgInfo, item);
Console.WriteLine($"人脸质量: {score}");
Console.WriteLine("--------------------------------------------");
}
}
}
}
}
Console.ReadLine();
}